If a wall in your Rex home is stained, swollen or musty, water has probably been getting into the cavity. The fix is to stop that water, cut out affected drywall and insulation under containment, and dry the framing before rebuilding. Call the number on this page to be connected with a local mold remediation company in Rex.

How do I know the mold is inside the wall?
Three clues point inside: a stain that grows or keeps coming back, drywall that gives when you press it, and a musty smell strongest at one spot. A company will usually confirm it with a moisture meter, sometimes a thermal camera, and a small inspection hole if needed. EPA says that in most cases, when mold is visible, sampling is unnecessary, so testing is optional unless the source is hidden or you need documentation.
Rex is an unincorporated community in eastern Clayton County, about 13 miles from Atlanta, with a historic village center around Rex Mill. Homes here face the usual metro moisture: long humid summers, heavy thunderstorms and clay soil that drains slowly. Clayton County was among the Georgia counties under a state of emergency during the September 2009 floods. Most wall mold, though, comes from plumbing leaks, roof leaks and failed window seals.
Which offices apply to a Rex address?
Because Rex's town charter was repealed in 1922, county offices handle what a city would. Building permits for any rebuild come from Clayton County Community & Economic Development at the P.K. Dixon Building in Jonesboro, which uses an online permit and inspection portal. Renters dealing with an unrepaired leak can contact Clayton County Code Enforcement, which says it does not handle mold directly but may address underlying plumbing problems and leaks. The Clayton County Board of Health can answer health questions. Some Rex mailing addresses sit near the Henry County line, so confirm which county covers yours.
Who should do the work, and what will it cost?
Georgia has no state mold license or certification. For the rebuild, ask whether the company holds a Georgia residential or general contractor license and check it on GOALS Verify Now; Georgia defines a residential contractor by work over $2,500. Angi's Atlanta cost guide reports most remediation pros charge $12 to $29 per square foot, with drywall repair at $1,174 to $3,405. Wet insulation, tile, cabinets and the amount of finish work all move the price.

A local note
Older homes near the historic village may have plaster or paneling rather than drywall. Ask the company how it plans to handle those materials and whether trim or paneling can be removed and reinstalled.
Mold in Walls & Drywall questions in Rex
Do I need a permit to rebuild the wall afterward?
Can the insulation behind moldy drywall be saved?
Can I clean a small moldy patch of drywall myself?
Should someone check the open wall before it is closed back up?
More mold services in Rex
Mold in Walls & Drywall nearby
Helpful guides
Sources
- EPA: Mold Cleanup in Your Home
- EPA: Mold Information Slideshow (testing and sampling)
- U.S. Senate Resolution 286 (111th Congress) on the September 2009 Georgia floods (pdf)
- Angi: Mold Remediation Cost in Atlanta, GA
- Clayton County: Building Permits and Inspections
- Clayton County: Code Enforcement
- UGA: Georgia County Environmental Health Contact Information (pdf)
- O.C.G.A. 43-41-2: Definitions (Justia, 2010 code)
- Georgia SOS GOALS: Verify Now
- Rex, Georgia (Wikipedia)
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